.w .book-table {
    position: relative;
    top:30px;
    height: 500px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.bookPic{
    width: 200px;
    height: 300px;
    margin: 40px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center top;
}

.bookInfo{
    width: 400px;
    line-height: 30px;
    margin: 40px;
    font-size: 15px;
    position: relative;
}

.bookInfo .btn{
    position: absolute;
    right: 0px;
    bottom: -40px;
}

.return{
    display: block;
    position: absolute;
    top: 30px;
    left: 30px;
    background-color: #fff;
    color: #215496;
}